diff --git a/r/2015-12-31-network-graph.Rmd b/r/2015-12-31-network-graph.Rmd
index 1399eb98..aa8c0d5d 100644
--- a/r/2015-12-31-network-graph.Rmd
+++ b/r/2015-12-31-network-graph.Rmd
@@ -45,6 +45,9 @@ library(plotly)
 Xn <- L[,1]
 Yn <- L[,2]
 
+names(Xn)<-vs$name
+names(Yn)<-vs$name
+
 network <- plot_ly(x = ~Xn, y = ~Yn, mode = "markers", text = vs$label, hoverinfo = "text")
 ```
 
@@ -84,4 +87,4 @@ fig
 ```
 
 ### Reference
-See [https://plotly.com/python/reference/#scatter](https://plotly.com/python/reference/#scatter) for more information and chart attribute options!
\ No newline at end of file
+See [https://plotly.com/python/reference/#scatter](https://plotly.com/python/reference/#scatter) for more information and chart attribute options!